Nearly 40 Percent of Large-Scale Batteries in U.S. Found in Mid-Atlantic Grid Thanks to Favorable Market: EIA

About 40 percent of the 700 megawatts of large-scale battery storage capacity installed in the U.S. is found in the grid operated by PJM Interconnection LLC thanks to favorable market conditions, according to a May 21 report from the U.S. Energy Information Administration. PJM created a frequency regulation market in 2012 to provide better payments…